1 | /* |
2 | * Copyright (C) 2015 Ericsson AB. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * |
8 | * 1. Redistributions of source code must retain the above copyright |
9 | * notice, this list of conditions and the following disclaimer. |
10 | * 2. Redistributions in binary form must reproduce the above copyright |
11 | * notice, this list of conditions and the following disclaimer |
12 | * in the documentation and/or other materials provided with the |
13 | * distribution. |
14 | * 3. Neither the name of Ericsson nor the names of its contributors |
15 | * may be used to endorse or promote products derived from this |
16 | * software without specific prior written permission. |
17 | * |
18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
19 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
20 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
21 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
22 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
23 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | */ |
30 | |
31 | #include "config.h" |
32 | #include "RTCRtpSender.h" |
33 | |
34 | #if ENABLE(WEB_RTC) |
35 | |
36 | #include "RTCRtpCapabilities.h" |
37 | #include "RuntimeEnabledFeatures.h" |
38 | #include <wtf/IsoMallocInlines.h> |
39 | |
40 | namespace WebCore { |
41 | |
42 | WTF_MAKE_ISO_ALLOCATED_IMPL(RTCRtpSender); |
43 | |
44 | Ref<RTCRtpSender> RTCRtpSender::create(PeerConnectionBackend& connection, Ref<MediaStreamTrack>&& track, Vector<String>&& mediaStreamIds, std::unique_ptr<RTCRtpSenderBackend>&& backend) |
45 | { |
46 | auto sender = adoptRef(*new RTCRtpSender(connection, String(track->kind()), WTFMove(mediaStreamIds), WTFMove(backend))); |
47 | sender->setTrack(WTFMove(track)); |
48 | return sender; |
49 | } |
50 | |
51 | Ref<RTCRtpSender> RTCRtpSender::create(PeerConnectionBackend& connection, String&& trackKind, Vector<String>&& mediaStreamIds, std::unique_ptr<RTCRtpSenderBackend>&& backend) |
52 | { |
53 | return adoptRef(*new RTCRtpSender(connection, WTFMove(trackKind), WTFMove(mediaStreamIds), WTFMove(backend))); |
54 | } |
55 | |
56 | RTCRtpSender::RTCRtpSender(PeerConnectionBackend& connection, String&& trackKind, Vector<String>&& mediaStreamIds, std::unique_ptr<RTCRtpSenderBackend>&& backend) |
57 | : m_trackKind(WTFMove(trackKind)) |
58 | , m_mediaStreamIds(WTFMove(mediaStreamIds)) |
59 | , m_backend(WTFMove(backend)) |
60 | , m_connection(makeWeakPtr(&connection)) |
61 | { |
62 | ASSERT(!RuntimeEnabledFeatures::sharedFeatures().webRTCUnifiedPlanEnabled() || m_backend); |
63 | } |
64 | |
65 | void RTCRtpSender::setTrackToNull() |
66 | { |
67 | ASSERT(m_track); |
68 | m_trackId = { }; |
69 | m_track = nullptr; |
70 | } |
71 | |
72 | void RTCRtpSender::stop() |
73 | { |
74 | m_trackId = { }; |
75 | m_track = nullptr; |
76 | m_backend = nullptr; |
77 | } |
78 | |
79 | void RTCRtpSender::setTrack(Ref<MediaStreamTrack>&& track) |
80 | { |
81 | ASSERT(!isStopped()); |
82 | if (!m_track) |
83 | m_trackId = track->id(); |
84 | m_track = WTFMove(track); |
85 | } |
86 | |
87 | void RTCRtpSender::replaceTrack(ScriptExecutionContext& context, RefPtr<MediaStreamTrack>&& withTrack, DOMPromiseDeferred<void>&& promise) |
88 | { |
89 | if (isStopped()) { |
90 | promise.reject(InvalidStateError); |
91 | return; |
92 | } |
93 | |
94 | if (withTrack && m_trackKind != withTrack->kind()) { |
95 | promise.reject(TypeError); |
96 | return; |
97 | } |
98 | |
99 | // FIXME: This whole function should be executed as part of the RTCPeerConnection operation queue. |
100 | m_backend->replaceTrack(context, *this, WTFMove(withTrack), WTFMove(promise)); |
101 | } |
102 | |
103 | RTCRtpSendParameters RTCRtpSender::getParameters() |
104 | { |
105 | if (isStopped()) |
106 | return { }; |
107 | return m_backend->getParameters(); |
108 | } |
109 | |
110 | void RTCRtpSender::setParameters(const RTCRtpSendParameters& parameters, DOMPromiseDeferred<void>&& promise) |
111 | { |
112 | if (isStopped()) { |
113 | promise.reject(InvalidStateError); |
114 | return; |
115 | } |
116 | return m_backend->setParameters(parameters, WTFMove(promise)); |
117 | } |
118 | |
119 | void RTCRtpSender::getStats(Ref<DeferredPromise>&& promise) |
120 | { |
121 | if (!m_connection) { |
122 | promise->reject(InvalidStateError); |
123 | return; |
124 | } |
125 | m_connection->getStats(*this, WTFMove(promise)); |
126 | } |
127 | |
128 | bool RTCRtpSender::isCreatedBy(const PeerConnectionBackend& connection) const |
129 | { |
130 | return &connection == m_connection.get(); |
131 | } |
132 | |
133 | Optional<RTCRtpCapabilities> RTCRtpSender::getCapabilities(ScriptExecutionContext& context, const String& kind) |
134 | { |
135 | return PeerConnectionBackend::senderCapabilities(context, kind); |
136 | } |
137 | |
138 | } // namespace WebCore |
139 | |
140 | #endif // ENABLE(WEB_RTC) |
141 | |